ok i got a gateway 830gm from a estate sale...for 5 bucks, hard drive is gone and so is one of the 512 ddr modules but thats cheap to buy...but the pci express slot has been removed..the motherboard is fine but the slot is toatlly gone, and there the motherboard states and etched on there that theres suppose to be a pcix16 in there. how do i get one put back in? where do i look on here or what is called?